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发明名称
Improvements in or relating to teleprinter exchange systems
摘要
申请公布号
GB516990(A)
申请公布日期
1940.01.17
申请号
GB19380021079
申请日期
1938.07.15
申请人
STANDARD TELEPHONES AND CABLES LIMITED;GILBERT ANTHONY MULLINS HYDE
发明人
分类号
H04L12/02
主分类号
H04L12/02
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代理人
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